Lx Series Installation and Operation Instructions
│
Trinity Lx
19
Vent/Air-inlet Pipe Material
Table 4-4 Acceptable Vent and Air-inlet Pipe Material
Items
1
Materials
2, 3
Installation Standards
All Vent and Air-inlet
materials installed on gas
fired appliances in CAN/US
must meet the Standards
listed in Table 4-4. Failure
to comply could result in
fire, serious injury or death.
United States
Canada
4
Vent Piping
and Fittings
PVC - DWV
ANSI/ASTM D2265
All venting material in
Canada must be
ULC S636 approved
.
See Note 4 below for
appropriate temperature
applications.
PVC Schedule 40
ANSI/ASTM D1785
CPVC Schedule 40
ANSI/ASTM F441
AL29-4C
UL-1738
Polypropylene (PP)
-
Pipe Cement
PVC
ANSI/ASTM D2564
CPVC
ANSI/ASTM F493
Primers
PVC / CPVC
ANSI/ASTM F656
Notes:
1
Refer to Table 4-5 for Allowable Vent and Air-inlet Pipe Sizes and Lengths.
2
PVC venting (exhaust and air-intake) is not permitted within the Closet/alcove of a Closet/alcove installation.
3
The Air-Intake does not require high temperature pipe material. Check applicable local codes for acceptable materials.
4
ULC S636 PVC is approved for flue gas temperatures up to 149
o
F (65
o
C) and must only be used for low temperature
applications. High temperature applications requiring boiler supply water temperatures greater than 140
o
F (60
o
C) must
use ULC S636 CPVC, PP or AL29-4C.
The use of cellular core PVC (ASTM F891), cellular core CPVC, or Radel®
(polyphenolsulfone) in the exhaust venting system is prohibited. Failure to follow these
instructions may result in property damage, personal injury or death.
Covering non-metallic vent pipe and fittings with thermal insulation is prohibited. Failure
to follow these instructions may result in property damage, personal injury or death.
